Until recently, diet was not thought of as an important adjunct in treatment. However, since the fairly recent discovery regarding the role insulin resistance plays in PCOS, many experts now believe that diet should be a part of the treatment plan. A sudden spike in blood sugar causes an increase in insulin. Chronically high insulin is a problem for women with PCOS, as insulin alters the hormonal balance in your body, and makes your metabolism unstable. Excessive insulin contributes to obesity, diabetes, heart disease, and some cancers. Since high levels of insulin can cause a multitude of problems for women with PCOS, a better diet would be a low-glycemic index diet. This is a diet that includes foods or combinations of foods that do not cause a rapid rise in blood sugarAll the 210 recipes also include detailed information on calories, fat, saturated fat, carbohydrates, protein, fiber and sodium, as well as serving sizes.